19497516

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 46717440

約数和(自身を除く): 27219924

約数列:

[1, 2, 3, 4, 6, 12, 79, 131, 157, 158, 237, 262, 314, 316, 393, 471, 474, 524, 628, 786, 942, 948, 1572, 1884, 10349, 12403, 20567, 20698, 24806, 31047, 37209, 41134, 41396, 49612, 61701, 62094, 74418, 82268, 123402, 124188, 148836, 246804, 1624793, 3249586, 4874379, 6499172, 9748758, 19497516]

約数ペア:

[(1, 19497516), (2, 9748758), (3, 6499172), (4, 4874379), (6, 3249586), (12, 1624793), (79, 246804), (131, 148836), (157, 124188), (158, 123402), (237, 82268), (262, 74418), (314, 62094), (316, 61701), (393, 49612), (471, 41396), (474, 41134), (524, 37209), (628, 31047), (786, 24806), (942, 20698), (948, 20567), (1572, 12403), (1884, 10349)]